000 00336pam a2200145a 44500
008 160408b1970 xxu||||| |||| 00| 0 eng d
082 _a513
_bB212g
100 _aBallard, William R.
245 1 _aGEOMETRY
260 _aPhiladelphia
_bSaunders
_c1970
300 _a238
650 _aGeometry
964 _gCIRC
997 _aA7779 C
999 _c257304
_d257304